[llvm] [CAS] Add LLVMCAS library with InMemoryCAS implementation (PR #114096)

[Adrian Prantl via llvm-commits]

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@@ -0,0 +1,74 @@
+//===- BuiltinCAS.h ---------------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_CAS_BUILTINCAS_H
+#define LLVM_LIB_CAS_BUILTINCAS_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/CAS/BuiltinCASContext.h"
+#include "llvm/CAS/ObjectStore.h"
+
+namespace llvm::cas {
+class ActionCache;
+namespace builtin {
+
+class BuiltinCAS : public ObjectStore {
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adrian-prantl wrote:

Short doxygen commen?

https://github.com/llvm/llvm-project/pull/114096